Home / 679,957,952.20-1,019,936,928.30-220,226,057.80

Finding the Fourth Proportional to 679,957,952.20, 1,019,936,928.30 and 220,226,057.80

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Solution

The fourth proportional to 679,957,952.20, 1,019,936,928.30 and 220,226,057.80 is: 330,339,086.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,957,952.20 : 1,019,936,928.30 = 220,226,057.80 : x
  2. Step 2: Convert to fraction form
    679,957,952.20/1,019,936,928.30 = 220,226,057.80/x
  3. Step 3: Cross multiply
    679,957,952.20x = 1,019,936,928.30 × 220,226,057.80
  4. Step 4: Simplify right side
    679,957,952.20x = 224,616,688,924,150,272
  5. Step 5: Solve for x
    x = 224,616,688,924,150,272/679,957,952.20
  6. Step 6: Final answer
    x = 330,339,086.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.